b4aea72d04
Remove the `preview_urls` method from strategies. The only place this was used was when doing IQDB searches, to download the thumbnail image from the source instead of the full image. This wasn't worth it for a few reasons: * Thumbnails on other sites are sometimes not the size we want, which could affect IQDB results. * Grabbing thumbnails is complex for some sites. You can't always just rewrite the image URL. Sometimes it requires extra API calls, which can be slower than just grabbing the full image. * For videos and animations, thumbnails from other sites don't always match our thumbnails. We do smart thumbnail generation to try to avoid blank thumbnails, which means we don't always pick the first frame, which could affect IQDB results. API changes: * /iqdb_queries?search[file_url] now downloads the URL as is without any modification. Before it tried to change thumbnail and sample size image URLs to the full version. * /iqdb_queries?search[url] now returns an error if the URL is for a HTML page that contains multiple images. Before it would grab only the first image and silently ignore the rest.
112 lines
3.3 KiB
Ruby
112 lines
3.3 KiB
Ruby
# frozen_string_literal: true
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# @see Source::URL::Moebooru
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module Sources
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module Strategies
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class Moebooru < Base
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delegate :artist_name, :profile_url, :tag_name, :artist_commentary_title, :artist_commentary_desc, :dtext_artist_commentary_title, :dtext_artist_commentary_desc, to: :sub_strategy, allow_nil: true
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delegate :site_name, :domain, to: :parsed_url
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def match?
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Source::URL::Moebooru === parsed_url
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end
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def image_urls
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return [] if post_md5.blank? || file_ext.blank?
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[Source::URL::Moebooru.full_image_url(site_name, post_md5, file_ext, post_id)]
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end
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def page_url
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return nil if post_id.blank?
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"https://#{domain}/post/show/#{post_id}"
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end
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def canonical_url
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image_urls.first
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end
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def normalize_for_source
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id = post_id_from_url
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md5 = post_md5_from_url
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if id.present?
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"https://#{domain}/post/show/#{id}"
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elsif md5.present?
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"https://#{domain}/post?tags=md5:#{md5}"
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end
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end
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def tags
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api_response[:tags].to_s.split.map do |tag|
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[tag, "https://#{domain}/post?tags=#{CGI.escape(tag)}"]
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end
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end
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# XXX the base strategy excludes artist tags from the translated tags; we don't want that for moebooru.
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def translated_tags
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tags.map(&:first).flat_map(&method(:translate_tag)).uniq.sort
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end
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# Moebooru returns an empty array when doing an md5:<hash> search for a
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# deleted post. Because of this, api_response may be empty in some cases.
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def api_response
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if post_id_from_url.present?
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params = { tags: "id:#{post_id_from_url}" }
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elsif post_md5_from_url.present?
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params = { tags: "md5:#{post_md5_from_url}" }
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else
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return {}
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end
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response = http.cache(1.minute).get("https://#{domain}/post.json", params: params)
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post = response.parse.first&.with_indifferent_access
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post || {}
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end
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memoize :api_response
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concerning :HelperMethods do
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def sub_strategy
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@sub_strategy ||= Sources::Strategies.find(api_response[:source], default: nil)
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end
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def file_ext
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if parsed_url.original_file_ext.present?
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parsed_url.original_file_ext
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# file_ext is not present in konachan's api (only on yande.re)
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elsif api_response[:file_ext].present?
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api_response[:file_ext]
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# file_url is not present in yande.re's api on deleted posts
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elsif api_response[:file_url].present?
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api_response[:file_url][/\.(jpg|jpeg|png|gif)\z/i, 1]
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# the api_response wasn't available because it's a deleted post.
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elsif post_md5.present?
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%w[jpg png gif].find { |ext| http_exists?("https://#{domain}/image/#{post_md5}.#{ext}") }
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else
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nil
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end
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end
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def post_id_from_url
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parsed_url.work_id || parsed_referer&.work_id
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end
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def post_md5_from_url
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parsed_url.md5 || parsed_referer&.md5
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end
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def post_id
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post_id_from_url || api_response[:id]
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end
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def post_md5
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post_md5_from_url || api_response[:md5]
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end
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end
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end
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end
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end
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